HOw would you know the special person/villager that has special skills?..
I cant solve puzzle 10,13,14,15 and 16 because on the general walkthrough
10,13,14 and 16 was depending on each others puzzle completion and will be complete
By that villager w/ special skills.. Anyone finished with the puzzle, please help me on this.

If you want hints instead of direct answers, this thread contains gentle nudges in the right direction.

Alternately, this thread contains very detailed spoilers that will answer your question.